Problemas em rotear o Wi-Fi através do Linux

https://www.youtube.com/watch?v=3W3EocAv1SQ

https://github.com/oblique/create_ap

git clone https://github.com/oblique/create_ap
cd create_ap
make install

create_ap wlan0 eth0 MyAccessPoint

root@dior:/home/renato/create_ap# create_ap wlan0 eth0 MyAccessPoint MyPassPhrase
WARN: Your adapter does not fully support AP virtual interface, enabling --no-virt
WARN: Realtek drivers usually have problems with WPA1, enabling -w 2
WARN: If AP doesn't work, please read: howto/realtek.md
Config dir: /tmp/create_ap.wlan0.conf.wpvlYjNr
PID: 20464
Network Manager found, set wlan0 as unmanaged device... DONE
Sharing Internet using method: nat
iptables v1.4.12: unknown option "-w"
Try `iptables -h' or 'iptables --help' for more information.

Doing cleanup.. done
root@dior:/home/renato/create_ap#